*{margin:0px}
#contain{width:1500px; height:750px; width:100%; background-image:url(imgs/zyt3.jpg);margin-left:auto;margin-right:auto}
#head{width: 1500;height:100px}
.header_top{width:1500px; height:50px;text-align:center;float:left;margin-top:40px;font-size:40px;font-family:"宋体";color: black}
.fengexian1{width:1535px; height:6px;background-color: silver;margin-top:5px;float: left;}
#body{width: 1500;height:400px;margin-top: 90px;}
.a{height:32px ;text-align:center;width: 30%}
.b{height:32px ;text-align:center;width: 70%}

